Julia is a line manager at Maddox Inc. She is assigned the task of understanding and gathering detailed information about the requirements of carrying out a certain job. Information gathered by Julia will be used to provide essential knowledge for staffing, training, performance appraisal, and other HR activities. What most likely corresponds to the task undertaken by Julia?

A) job analysis
B) job definition
C) job training
D) job swapping
E) job rotation

Julia's task of understanding and gathering detailed information about the requirements of carrying out a certain job corresponds to job analysis. Job analysis involves systematically gathering information about the duties, responsibilities, necessary skills, outcomes, and work environment of a particular job. This information is important for various HR activities such as staffing, training, and performance appraisal. Job definition refers to the written statement that describes the duties, responsibilities, and requirements of a job. Job training refers to the process of providing employees with the knowledge, skills, and attitudes needed to perform a job. Job swapping and job rotation refer to strategies where employees switch jobs or rotate between different jobs to gain experience and develop new skills.